Top Definition
The clotting of anal hair due to the application of excrement.
Oooooo I don't think I wiped properly I've got gruffnuts hangin out of my posterior
by Dave T October 26, 2003

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The small pieces of feces that get stuck in one's buttocks hair.
"I've got some itchy gruff nuts."
by Fat Burger February 21, 2003

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The little bits of poo that can gather on hairs around the anus.
i.e. That girl has lots of gruff nuts dangling down.
by Steven Mallaber November 07, 2007

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noun; a piece (or pieces) of faeces stuck in the hair around your anus
"mate, i found the biggest gruffnut last nite"
by james-is-sexy January 17, 2006

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the pooey mess left behind in the anal hair if an anus is not wiped with enough care is called gruffnut.
Glen recieved lots of gruffnut when he went for a poo and didnt wipe afterwards. This caused a discusting mess to be left in his anal hair over the anal region and his undergarments.
by Chris the gr8 666 January 17, 2006

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lumps of dried poo attached to the hairs of your bum. See 'Dangle berry'
God damn she's got some gruffnuts
by adam wallace October 28, 2007

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